Home / 291,162.10-436,594.52-133,255.17

Finding the Fourth Proportional to 291,162.10, 436,594.52 and 133,255.17

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Solution

The fourth proportional to 291,162.10, 436,594.52 and 133,255.17 is: 199,814.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,162.10 : 436,594.52 = 133,255.17 : x
  2. Step 2: Convert to fraction form
    291,162.10/436,594.52 = 133,255.17/x
  3. Step 3: Cross multiply
    291,162.10x = 436,594.52 × 133,255.17
  4. Step 4: Simplify right side
    291,162.10x = 58,178,476,983.67
  5. Step 5: Solve for x
    x = 58,178,476,983.67/291,162.10
  6. Step 6: Final answer
    x = 199,814.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.